Next message: Faure, Marin: "T&T: Re: Jump on Marin day."
MessageThanks for the great reply Tom.
I guess I'm looking for something that is something a little more analytical.
(If that's the right word.)
I certainly appreciate your data however I believe that what it shows is the
overall efficiency of your rig. (If I may use the word rig. No offense meant.)
What I would like to know is with all other variables removed, EI hull on a
plane vs not on a plane, drag of the hull/superstructure, be it because of
water or air (which I think does increase with speed) or any other factor that
effects the numbers you and I get when we do them with our boats, which is
more efficient?
A 24"x15" prop turning 1200 RPM or a 24"x24" turning 750 RPM. Theoretically
both will go 1500 feet per minute but which will come the closest assuming
they are both against the same constant resistance.
Or maybe put another way which will produce the greatest amount of thrust? Or
the least amount of slippage?
Anyone?
Bill
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